1. School of Electronic Science and Engineering, University of Electronic Science and technology of China,Chengdu,China
2. College of Physics and Electronic Information Engineer, Qinghai Minzu University,Xining,China
3. Chengdu Ganide Technology,Chengdu,China
4. School of Microelectronics, Tianjin University,Tianjin,China,300072
5. School of Electronics and Information Engineering, Tiangong University,Tianjin,China,300387